On a street in Zhenhu town,Suzhou,a studio named MeWe launched a summer course recently in which Zhang Xue teaches beginners how to decorate sachets and moonshaped fans.The town,known as the home of Suxiu,or Suzhou em...On a street in Zhenhu town,Suzhou,a studio named MeWe launched a summer course recently in which Zhang Xue teaches beginners how to decorate sachets and moonshaped fans.The town,known as the home of Suxiu,or Suzhou embroidery,boasts a longstanding culture of the craft,mainly practised by women.展开更多
文摘研究主要通过分析虹鳟(Oncorhynchus mykiss)不同繁育群体间肌肉品质和营养成分的种质特性,为虹鳟遗传资源的保护利用、优良性状的筛选及新品种选育提供基础数据资料。采用凯氏定氮、索氏抽提和水解氨基酸等现行国家标准测定肌肉中的营养成分、氨基酸和脂肪酸的含量,对国内6个不同地区虹鳟代表性繁育群体进行肌肉营养成分和品质的系统分析和评价。结果表明,各繁育群体水分含量(66.50%—77.00%)、灰分含量(1.12%—1.43%)、粗蛋白含量(19.00%—21.84%)和粗脂肪含量(2.04%—9.08%)有显著差异(P<0.05);17种氨基酸总量(TAA)为15.27%—18.90%,各群体氨基酸指数(AAS)、化学指数(CS)和必需氨基酸指数(EAAI)均高于联合国粮食及农业组织(Food and Agriculture Organization,FAO)标准;23种脂肪酸中包括8种饱和脂肪酸(SFA)、4种单不饱和脂肪酸(MUFA)和11种多不饱和脂肪酸(PUFA),其含量分别为17.81%—31.75%、27.86%—30.35%和40.25%—54.32%,PUFA/SFA的比值介于1.34—3.05。综上所述,6个虹鳟代表性繁育群体肌肉营养成分较均衡,符合FAO/WHO标准,均为符合人们营养需求优质蛋白质,可作为虹鳟繁育及新品种培育的优异资源。
文摘On a street in Zhenhu town,Suzhou,a studio named MeWe launched a summer course recently in which Zhang Xue teaches beginners how to decorate sachets and moonshaped fans.The town,known as the home of Suxiu,or Suzhou embroidery,boasts a longstanding culture of the craft,mainly practised by women.
